<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/avatar.png" alt="logo" />
      </div>
      <!-- 登录表单区 -->
      <el-form
        :model="loginForm"
        :rules="rules"
        ref="loginFormRef"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-user"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            prefix-icon="iconfont icon-3702mima"
            show-password
          ></el-input>
        </el-form-item>
        <!-- 按钮区 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: "admin",
        password: "123456",
      },
      rules: {
        username: [
          { required: true, message: "请输入", trigger: "blur" },
          {
            min: 3,
            max: 20,
            message: "长度在 8 到 20 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入", trigger: "blur" },
          {
            require: true,
            min: 3,
            max: 20,
            message: "长度在 3 到 20 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    resetForm() {
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if(!valid) return;
        const {data:res} =await this.$http.post('login', this.loginForm);
        if(res.meta.status !== 200){
          this.$message.error("登录失败");
        } else {
          // this.$message.success("登录成功");
          window.sessionStorage.setItem("token", res.data.token);
          this.$router.push('/home');
        }
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    width: 100px;
    height: 100px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;

    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }

  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;

    .el-input{
      font-size: 18px;
    }
  }
  .btns {
    display: flex;
    justify-content: flex-end;
  }
}

</style>
